5.6 Typical Characteristics (continued)

CIN = 1µF, COUT = 4.7µF, VIN = VOUT(NOM) + 1V, TA = 25°C, and ON/OFF pin is tied to the IN pin (unless otherwise noted)

Figure 5-19. Ripple Rejection vs Frequency (Legacy Chip)

Frequency - (Hz)

1x101

1x102

1x103

1x104

1x105

1x106

1x107

0

10

20

30

40

50

60

70

80

90

100

110

120

VIN = 5 V

VO = 3.3 V

CO = 4.7 F

Cbyp = 10 nF

1 mA

150 mA

50 mA

VIN = 5V, VOUT = 3.3V, COUT = 10μF, CBYP = 10nF

Figure 5-20. Ripple Rejection vs Frequency (New Chip)

Figure 5-21. Output Impedance vs Frequency (Legacy Chip)

Figure 5-22. Output Impedance vs Frequency (Legacy Chip)

Figure 5-23. Output Noise Density (Legacy Chip)

Frequency - (Hz)

1x101

1x102

1x103

1x104

1x105

1x106

1x107

0.001

0.002

0.005

0.01

0.02

0.05

0.1

0.2

0.5

1

2

5

10

CBYP

100 pF

1 nF

10 nF

Figure 5-24. Output Noise Density vs Frequency (New Chip)

www.ti.com

LP2992

SNVS171L – NOVEMBER 2001 – REVISED FEBRUARY 2025

Copyright © 2025 Texas Instruments Incorporated

Submit Document Feedback

11

Product Folder Links: LP2992